There's some evidence, at least in first-world countries, that more recently the Flynn effect is stagnating and even reversing (i.e. average IQs are declining).

There's some evidence, at least in first-world countries, that more recently the Flynn effect is stagnating and even reversing (i.e. average IQs are declining). See: https://en.wikipedia.org/wiki/Flynn_effect#Possible_end_of_progression https://en.wikipedia.org/wiki/Flynn_effect#Possible_end_of_p...